Aeeoplakte



FIPBBOl Patented July 1, 1919.

2 SHEETS-SHEET I.

H. CAMPBELL.

AEROPLANE.

APPLICATION men on. 2a. 1918.

Patented July 1, 1919.

2 SHEETS-SHEET 2.

ma COLUMBIA PLANMIAPN-CO- WASHINGTON. D. C.

HENRY CAMPBELL, OF LOGAN, UTAH.

AERO PLANE.

Patented July 1, 1919.

Application filed October 28, 1918. Serial No. 260,000.

1 308 657. Specification of Letters Patent.

To all whom it may concern:

Be it known that I, HENRY CAMPBELL, a citizen of the United States, residing at Logan, in the county of Cache and State of Utah, have invented a new and useful Aeroplane, of which the following is a specification.

The subject of this invention is an aeroplane, and the main objects of the invention are, first, to provide means, under the control of the operator, for changing the angle of incidence of the plane or planes, second, to provide means for changing the relative positions of the planes, third, to provide means, readily attached to the usual and ordinary aeroplane for accomplishing the foregoing objects, fourth, to generally improve the construction and enhance the utility of aeroplanes.

With the foregoing and other objects in view, which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed can be made within the scope of what is claimed without departing from the spirit of the invention.

A practical structure for carrying out the invention is shown in the accompanying drawings, wherein Figure 1 is a fragmentary view in side elevation of an aeroplane constructed in accordance with the invention;

Fig. 2 is an enlarged detail view in section taken on the line 22 of Fig. 1;

Fig. 3 is an enlarged detail view in side elevation, part in section, of the operating lever;

Fig. 4 is a plan view of a fragment of a.

material to be used in constructing the planes;

Fig. 5 is a cross section of the same.

Referring to the drawings by characters of reference The framework of a usual type of aeroplane is indicated by the numeral 1, and the aeroplane is provided with wheels 2 upon which it may run when alighting, or when. starting on a flight. The aviators cabin is indicated at 3.

The aeroplane is provided with an upper plane 4:, and with alower plane 5, as herein shown, though it is not the intention to limit the invention to biplanes, The planes 4 and 5 are connected and supported by the uprights 6, which are arranged on each side of the framework of the aeroplane, and which are connected on the respective sides by the plates 7 to which they are secured by bolts 6' or otherwise.

The plates 7 are mounted on the protruding ends of a shaft 8, which extends transversely of the cabin 3, and in the side walls of which it is journaled. The ends of this shaft 8 are preferably squared so that the plates 7 may not slip and turn thereon. The plates 7 are spaced'from the sides of the cabin 3 by means of spacing washers 9, and the plates are provided with arcuate slots 10 through which bolts 11, which are secured in the sides of the cabin 3, project and serve to limit the rocking of the plates 7.

For the purpose of rocking the shaft 8 and plates 7 any suitable means may be provided, that herein shown consisting of a lever 12 which is secured to and extends radially of the shaft, the lever being provided with the usual dog or pawl to engage the teeth of the segmental rack 13.

By rocking the shaft 8 and plates 7 the angle of inclination of the planes is changed, and also their positions with respect to each other. The change in the angle of inclination' is indicated by the lines A-A and 13-13, from which it can be seen that the angle of incidence is changed to make the machine a high speed, slow climbing plane, or a slow speed, swift climbing plane, or to set the planes at points between these xtremes.

From the foregoing it will be evident that the device is adapted to be readily applied to any of the ordinary aeroplanes now in use so that old machines could easily loe reconstructed in accordance with the invention.

It is also apparent that a machine equipped with this invention, may readily be changed from a speed machine to a climbing machine, and that this may be done at any desired time, even during flight. This change of the plane still leaves the body of the machine in its normal, horizontal position, so that its thrust may still be straight ahead in a horizontal line though the machine is climbing rapidly.

In constructing the planes of the aeroplane I prefer to use a practically fireproof material and one that is translucent and not readily seen under the rays of a searchlight.

For this purpose I employ a base 14 of closely Woven Wire mesh, which may be prepared With silicate of soda, or other suitable filler, and then coated with shellac or other transparent or translucent coating. This gives a strong, rigid plane covering which is not easily ignited, and Which will allow most of the rays of light to pass through, thereby renderin the discovery of the plane at night more di cult.

Having described my invention, what I claim as new, is

The combination With the body of an aeroplane, of upper and lower sustaining planes, uprights connecting the front and rear portions of the upper plane With the corresponding portions of the lower plane, said uprights and planes being rigidly connected, plates connecting the uprights at each side of the body, a transverse shaft journaled in the body and fixedly connected to the plate, means in the body for rotating the shaft and plate to bodily swing the uprights and planes about the axis of the shaft, means for locking the shaft against rotation, arcuate slots Within each plate and means extending from the body and through the slots for limiting the rotation of the plates, uprights, and planes with the shaft, said planes being extended over and under the body, respectively.

In testimony that I claim the foregoing as my own I have hereto ailixed my signature in the presence of two Witnesses.

HENRY CAMPBELL. lVitnesses:

EDNA CAMPBELL, ORA CAMPBELL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

